The present work includes two chapters. The first item discriminates against the activities carried out within the Residency Program in the Health Professional Area in Veterinary Medicine with an area of concentration in Diagnostic Imaging, held at the Veterinary University Hospital of the Federal Rural University of Pernambuco (HOVET- UFRPE), in March 2019 to February 2021. A survey of all activities carried out in the period was carried out, as well as those carried out within the scope of public health and the Unified Health System (SUS). The second chapter refers to a case report that addresses the Contributions of ultrasound-guided percutaneous cholecystocentesis for the diagnosis of biliary tract disorders in cats (Felis catus). A discussion about the technique that allows collection of material directly from the gallbladder - bile, for sending and laboratory processing and subsequent cytological, parasitological and bacterial culture analyzes.
